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Marquise|Lab Grown|IGI

0.30ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG821620948

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821620948

Diamond specifications and retailer prices

From $367 SGD
$286 USD
As of October 30, 2026
Save $117 SGD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $484 SGD at Diamond Heaven · As of October 30, 2026
View at Diamond Heaven

About this 0.3ct lab-grown marquise diamond

This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG821620948 or 821620948. Listed at 4 retailers as of October 30, 2026, with prices from $367 to $484, a $117 spread on the same certified stone. Diamond Heaven lists it at $484. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.30
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821620948
Dimensions7.01 × 3.53 × 2.09 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.01 mm3.53 mm0.30 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821620948
Side View
Table 62.0%Crown 31.8°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $484 SGD|Low: $364 SGD|High: $1,576 SGD|Avg: $663 SGD|-11.6%
Diamond Heaven
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4$367 SGD
Retailer 2$387 SGD
Diamond Heaven$484 SGD
Retailer 3$1,576 SGD

7 data points across 4 retailers

4 retailers$367 SGD to $484 SGD

B
Cheapest Retailer
-
$367 SGD
$286 USD
B
Retailer 2
-
$387 SGD
£238 GBP
View
Most Expensive
B
Diamond Heaven
0.3SI1ELG4862E2N · Oct 30
$484 SGD
£297 GBP
View
2 more retailers have this diamond
Prices start from $367 SGDSave up to $117 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.30ct Marquise
$367 SGD